Product comparison · 2 memory modules

HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2) vs Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4

17specifications compared
10differ
7identical
3known for one product only

Key differences

The Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4 has 2 more CAS latency than the HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2) (6 vs 4). The Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4 has 8 bit more memory bus than the HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2) (72 bit vs 64 bit). Only the Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4 has ECC. Memory layout (modules x size): 2 x 2 GB on the HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2), 1 x 4 GB on the Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4. Memory form factor: 200-pin SO-DIMM on the HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2), 240-pin DIMM on the Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4.

Memory layout (modules x size)
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):2 x 2 GB
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:1 x 4 GB
Memory form factor
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):200-pin SO-DIMM
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:240-pin DIMM
ECC
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):No
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:Yes
CAS latency
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):4
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:6
Memory bus
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):64 bit
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:72 bit
Buffered memory type
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):Unregistered (unbuffered)
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:Registered (buffered)
Module configuration
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):256M X 64
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:512M X 72
Chips organisation
- 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2):X8
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:X4

Side by side

Differences highlightedShow differences only

Comparison of 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2), 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4
20 specifications	A HyperX 4GB, 800MHz, DDR2, Non-ECC, Ultra Low-Lat CL4 (4-4-4-12), SODIMM (Kit of 2)View product	B Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4 View product
Features7 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	6
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory ranking	2	2
Memory voltage	1.8 V	1.8 V
Module configurationDiffers	256M X 64	512M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead plating	Gold	Gold
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Other features3 differ
Chips organisationDiffers	X8	X4
Bus clock rate	800 MHz	800 MHz
Error indicationDiffers	No	Parity
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memory	4096 MB	4096 MB
Memory layoutDiffers	2 x 2048 MB	1 x 4096 MB

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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